import { defineStore } from "pinia";
import type { reqCategoryType } from "@/api/attr";
import {
  requestCategory1,
  requestCategory2,
  requestCategory3,
} from "@/api/attr";
import { ElMessage } from "element-plus";

//state的类型限制
interface storeType {
  categoryList1: reqCategoryType;
  categoryList2: reqCategoryType;
  categoryList3: reqCategoryType;
  category1Id: number | null;
  category2Id: number | null;
  category3Id: number | null;
}
const useAttrStore = defineStore("attr", {
  //state数据(categoryId在没有值的时候默认设置0,但是后来发现在select中使用的时候,必须要写null,所以我们改为null)
  state: (): storeType => {
    return {
      categoryList1: [],
      categoryList2: [],
      categoryList3: [],
      category1Id: null,
      category2Id: null,
      category3Id: null,
    };
  },
  getters: {},
  actions: {
    //请求一级分类数据
    async getCategory1() {
      try {
        //发送请求
        const result = await requestCategory1();
        //把一级分类的值赋值给state
        this.categoryList1 = result;
      } catch (e) {
        ElMessage.error("请求一级分类失败");
      }
    },
    //请求二级分类
    async getCategory2() {
      try{
        //发送请求
        const re = await requestCategory2(this.category1Id as number)
        //把二级分类的值赋值给state
        this.categoryList2 = re
      }catch(e){
        ElMessage.error('请求二级分类失败')
      }
    },
    //请求三级分类
    async getCategory3() {
      try{
        //发送请求
        const re = await requestCategory3(this.category2Id as number)
        //把三级分类的值赋值给state
        this.categoryList3 = re
      }catch(e){
        ElMessage.error('请求三级分类失败')
      }
    },
  },
});

export default useAttrStore;
